HelloI am trying to design OSPF area and not sure what is the best way to do.There are two data centers. it is not main and backup. those two are active datacenters and remote offices need to access to those two datacenters actively every day and the...

I have one master and one slave and there are two offices 20 milliseconds apart.There is one SIP and one voice gateway router on each office.is it possible to install master and slave cucm on each office with failover configuration?